Frederick k



(No Model) P. K. WRIGHT.

TUBULAR LANTERN.

N0. 161,064. Patented Oct. 13,1891.

. UNITED STATES PATENT OFFICE.

FREDERICK K. \VRIGHT, OF SYRACUSE, NEV YORK, ASSIGNOR TO THE STEAM GAUGEAND LANTERN COMPANY, OF SAME PLACE, AND THE R. E. DIETZ COMPANY, OF NE\VYORK, N. Y.

TUBULAR LANTERN.

SPECIFICATION forming part of Letters Patent No. 461,064, dated October13, 1891.

Application filed November 20, 1890. Serial No. 372,003. (No model.)

To all whom it may concern.-

Be it known that I, FREDERICK K. WRIGHT, a citizen of the United States,residing at Syracuse, in the county of Onondaga and State of New York,have invented new and useful Improvements in Tubular Lanterns, of whichthe following is a specification.

This invention relates to an improvement in tubular lanterns, and hasfor its objects to secure the upper portions of the air-tubes togethermore securely and at less expense than heretofore and to provide simplemeans for holding the tilting globe-frame in its normal position.

In the accompanying drawings, Figurel is a front elevation, partly insection, of a tubular lantern provided with my improvement. Fig. 2 is aside elevation with one tube broken away. Fig. 3 is a horizontal sectionthrough the upper portion of the tubes in line :10 m, Fig. 1. Fig. 4 isa horizontal section in line 1 y, Fig. 1.. Fig. 5 is a fragmentaryperspective View showing one of the tubes before the 'elbow-bcnd isformed in the same. Figs. 6

and 7 are perspective views showing a modified construction of thefastening by which the tubes are secured together.

Like letters of reference refer to like parts in the several figures.

go A represents the oil-pot; a, the air-chamber on the same, and b theburner.

O 0 represent the air-tubes, which are each composed of a side portiond, bottom portion 6, top portion f, and depending portion g.

These tubes are constructed with flat backs, as set forth in LettersPatent No. 390,553, granted to L. F. Betts October 2, 1888, and arepreferably square in cross-section, as shown in the drawings. Thedepending portions g g at the upper ends of the tubes are arranged backto back and are secured together by a rivet or eyelet 72., which passesthrough the contiguous backs of these sections. The depending portion gis preferably formed in one piece with the horizonial top portion of thetube, and in that case the two tubes are secured together after thelongitudinal edges of each tube are united, but before the tube is bentat the angles or elbows, as represented in Fig. 5. The rivet or eyeletis applied to which may be done when tools for forming each tube of asingle blank are not available, the two depending portions are firstsecured together by the rivet or eyelet and then soldered to thehorizontal top portions of the tubes. This improved construction avoidsthe necessity of soldering the two depending portions of the tubestogether and provides a fastening which is cheaper than soldering andmore durable, because it is not afiected by heat.

7t represents the bell, which is secured to the lower ends of thedepending portions of the tubes in the usual manner.

In the construction represented in Figs. 1 and 3 the rivet or eyelet ismade separate from the tubes. If preferred, however, the rivet may beformed in one piece with the tube, as represented in Figs. 6 and 7, inwhich the back of one of the tubes is formed with a projecting lip 1',which is passed through a slit t" in the back of the adjoining tube andclinched on the inner side of the latter.

I represents the plate upon which the globe rests and which is hinged toa standard I on the rear side of the lantern in a well-known 8 5 manner,so that it can be swung back or tilted with the globe J to expose theburner.

K is a catch secured to the plate I at the front of the lantern andengaging over aprojcction or step 713 on the front side of the oilpotfor locking the plate in a horizontal position upon the burner.

L L are upright wires which extend from the globe-plate upwardly on thefront and rear sides of the globe and are connected at 9 5 the top by asemicircular bow which bears against one side of the globe and restsupon the top bead thereof.

M is a guard-ring which is secured to the upright wires L opposite thebreast or swell 10o of the globe and which is arranged between thetubes. This ring is provided with lateral projections m, which bearagainst the rear sides of the tubes when the catch is engaged with thestop k and which brace the globeframe against forward movement. Theseprojections are preferably formed by indenting the guard-ring.

The catch K bears upon the top of the oilpot and under the stop it. Indrawing the catch down to engage it with the stop the lat eralprojections of the guard-ring are drawn tightly against the rear sidesof the tubes, so that when the catch has been sprung over the stop thelatter prevents rearward movement of the globe-frame and the lateralstops on the guard-ring prevent forward movement, whereby theglobe-frame formed by the plate, the upright wires, and the guard-ringis rigidly held in its normal position.

I claim as my invention 7 1. In a tubular lamp or lantern, thecombination of two air-tubes having the contiguous backs of theirdepending portions secured together by a rivet or eyelet, substantiallyas set forth.

2. The combination, with the oil-pot and air-tubes, of a tiltingglobe-frame hinged to the lantern on the rear side thereof, a catchsecured to the tilting globe-frame and engaging under a stop on thefront side of the lantern, and lateral projections on the globeframe onthe rear side of the lantern, which projections are drawn against therear sides of the tubes in springing the catch over the stop,substantially as set forth.

3. The combination, with the oil-pot and air-tubes, of a globe-platehinged to the lantern 011 the rear side thereof, a catch attached to theglobe-plate and engaging over a stop

